20552880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2953}}^1$

素因数の和:2998

約数の個数: 80

約数和(自身を含む): 65933280

約数和(自身を除く): 45380400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 2953, 3480, 5906, 6960, 8859, 11812, 14765, 17718, 23624, 29530, 35436, 44295, 47248, 59060, 70872, 85637, 88590, 118120, 141744, 171274, 177180, 236240, 256911, 342548, 354360, 428185, 513822, 685096, 708720, 856370, 1027644, 1284555, 1370192, 1712740, 2055288, 2569110, 3425480, 4110576, 5138220, 6850960, 10276440, 20552880]

約数ペア:

[(1, 20552880), (2, 10276440), (3, 6850960), (4, 5138220), (5, 4110576), (6, 3425480), (8, 2569110), (10, 2055288), (12, 1712740), (15, 1370192), (16, 1284555), (20, 1027644), (24, 856370), (29, 708720), (30, 685096), (40, 513822), (48, 428185), (58, 354360), (60, 342548), (80, 256911), (87, 236240), (116, 177180), (120, 171274), (145, 141744), (174, 118120), (232, 88590), (240, 85637), (290, 70872), (348, 59060), (435, 47248), (464, 44295), (580, 35436), (696, 29530), (870, 23624), (1160, 17718), (1392, 14765), (1740, 11812), (2320, 8859), (2953, 6960), (3480, 5906)]